mail.bkaw.ca has no CNAME records.
Question and response
Question
dig mail.bkaw.ca. NS
Answer
The response has no answer records.
Authority
bkaw.ca. 1299 SOA dave.ns.cloudflare.com. dns.cloudflare.com. 2397114259 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0